Flora of North America species comparison

(1–5+), branched.

5–20(–50) × 1–2 mm.

cauline; alternate;

sessile;

blades linear-filiform, rarely with 1–2 lateral lobes, ultimate margins entire, faces glabrous, gland-dotted.

8–25 mm, glabrous or stipitate-glandular.

turbinate to campanulate, 6–12 mm diam.

flat, pitted or knobby, epaleate.

0.

6.5–8.5 mm.

12–21, bisexual, fertile;

corollas creamy yellow, distally purplish (stipitate-glandular), tubes shorter than cylindric throats, lobes 5, erect, deltate (style-branch appendages rounded-truncate, papillate).

persistent or tardily falling, 8–18 in ± 2 series (linear to lanceolate, outer intergrading with subtending leaves).

discoid, borne singly.

3.2–4 mm;

pappus elements 2–6 mm.

obconic to obpyramidal, hirsute (hairs tawny to reddish);

pappi persistent, of 30–60 bristles subtending 15–20 subulate-aristate scales, or of ca. 120 bristles.

= 10.

= 40.